Datasheet

Data Sheet 14 Rev. 1.3, 2010-03-16
Smart High-Side Power Switch
BTS721L1
Figure 3b: Turn on into short circuit:
shut down by overtemperature, restart by cooling
(two parallel switched channels 1 and 2)
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Figure 4a: Overtemperature:
Reset if
T
j
< T
jt
,1
67
287
-
W
9
7
Figure 5a: Open load: detection in ON-state, open
load occurs in on-state
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RSHQ
ORDG
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ORDG
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ORDG
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t
d(ST OL1)
= 30 µs typ., t
d(ST OL2)
= 20 µs typ
Figure 5b: Open load: detection in ON-state, turn
on/off to open load
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IN2 channel 2: normal operation
channel 1: open load
The status delay time td(STOL4) allows to distinguish between the
failure modes "open load in ON-state" and "overtemperature".